The opposite end has an enclosed head end (box end) that fits around the entire head of the fastener for a more secure grip while turning compared to an open end
For Use With Wey-TEK HD Wireless Handpiece
3-Speed Hammer Drill
Lighting Technology LED
Plunger Thread Size 4 In
Gates B77 Wedge V-Belt, 80 in Outside Lg, 21/32 in Top Wd, 13/32 in Thick, Polyester G4882538 The opposite end has anWedge V Belt, Belt Material SBR, Edge Construction Wrapped, Industry Number B77, Number of Bands 1, Outside Length 80 in, Reinforcing Cord Material Polyester, Thickness 13 32 in, Top Width 21 32 in, Belt Trade Size B, V Belt Type Wedge, Application General Industry, Belt Coating Flex Weave(TM), Belt Series Hi Power(R) II, Color Black, Length Type Closed Loop, Maximum Operating Temperature 140 Degrees F, Minimum Operating Temperature 22 Degrees F V