Gibbs Ascender #4SB SHORT SLEEVE WORK SHIRT Style options include X- and

Style options include X- and Y-back

1-2014 Type I standards

2" X 27 ft

Double stitched tape and background for superior durability

Gibbs Ascender #4SB SHORT SLEEVE WORK SHIRT Style options include X- andThe Gibbs 4S bolt Ascender . Not for self belay by solo climbers. Designed not to slip on iced and muddy ropes. Their simple, durable construction makes them almost foolproof. They are easy to assemble on the rope, yet will not slip unexpectedly. They can be rigged in all the standard methods for mechanical prusiks. MODEL #4SB 5 8" to 3 4" ropes 14mm 19mm Spring loaded Stainless steel shell Breaking weight: 5650lbs